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8-K ·Filed Oct 21, 2026

RCUS

Arcus Biosciences, Inc.
NEUTRAL
Impact 4/10
Horizonweeks Processed4d 16h ago SEC0001193125-26-427829
8-K Item 2.02: Earnings release
Actionable Insight • Neutral

The accelerated cash burn in Q3 (from $876M to $694M) vs Q1's $128M net loss signals higher spending on casdatifan clinical trials and inflammation pipeline. Monitor the full Q3 10-Q for detailed P&L and updated cash runway guidance; the company's prior expectation of ~$600M year-end cash implies further burn of ~$94M in Q4, which would be a deceleration from Q3's pace.

DirectionNeutral
Confidencemedium
Horizonweeks
Latest settled — T+1d ⚠ clustered
RCUS ▼ -4.24% at T+1d
NEUTRAL call ✗ call lost -4.24% · α vs SPY -3.71% · entry $19.36 → $18.54
Next anchor: T+5d tomorrow
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Oct 21, 04:06 PM ET
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call -4.24% · α -3.71%
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Executive Summary

Arcus Biosciences disclosed a preliminary Q3 2026 cash balance of ~$694M, down from $876M at Q2 end and $1.01B at year-end 2025, reflecting continued R&D spend on casdatifan and pipeline programs. The filing is a routine preliminary cash update without full financial results, but the burn rate implies ~$182M spent in Q3 alone, accelerating from ~$134M in Q1 2026. No earnings or revenue figures were provided, and the company expects to end 2026 with ~$600M in cash per the prior quarter's guidance.

Key Facts

  • Preliminary cash, cash equivalents and marketable securities of ~$694.0M as of September 30, 2026, down from $876M at March 31, 2026 and $1.01B at December 31, 2025.
  • The estimate is preliminary and subject to completion of financial closing procedures; Ernst & Young has not audited or reviewed the figure.
  • No revenue, EPS, or full financial results were disclosed in this filing.
  • Cash runway was previously guided to last until at least the second half of 2028, with an expected year-end 2026 cash balance of ~$600M (from the Q1 2026 earnings release).
  • The Q3 cash burn of ~$182M (from $876M to $694M) is higher than the Q1 2026 net loss of $128M, suggesting continued heavy investment in casdatifan and inflammation programs.

Financial Impact

Preliminary cash balance of $694M, down ~21% from $876M at Q1 end; quarterly cash burn of ~$182M.

cashcash equivalentsmarketable securities

Risk Factors

  • Cash burn rate may exceed prior guidance if casdatifan trial enrollment or manufacturing costs accelerate further.
  • No revenue or EPS data provided; the preliminary cash update alone does not confirm operational progress or pipeline milestones.
  • The company is pre-revenue (clinical-stage biotech) with no approved products; reliance on partnership revenue (Gilead) and capital markets for funding.

Investment Themes

Biotech & Drug Discovery

Documents Analyzed

This report is based on 5 SEC documents filed with EDGAR.

DocumentAccession Number
8-K Filing (Primary)0001193125-26-427829
Document: 0001193125-26-427829-index-headers.html0001193125-26-427829
Document: 0001193125-26-427829-index.html0001193125-26-427829
Document: 0001193125-26-427829.txt0001193125-26-427829
8-K Data (Synthetic)0001193125-26-427829
10 reports for RCUS
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TypeNow
Oct 23, 2026
2d ago
8-K
BEARISH ★ 5/10
$18.47awaiting T+1—$18.54 (−0.38%)
Oct 22, 2026
3d ago
424B5
BEARISH ★ 6/10
$19.36awaiting T+1—$18.54 (+4.24%)
Oct 21, 2026
4d ago
424B5
BEARISH ★ 5/10
$19.36 $18.54▲ +4.24%▲ +3.71%$18.54 (+4.24%)
Oct 21, 2026
4d ago
8-K
NEUTRAL ★ 4/10
$19.36 $18.54▼ −4.24%▼ −3.71%$18.54 (−4.24%)
Oct 20, 2026
5d ago
8-K
NEUTRAL ★ 4/10
$23.75 $19.10▼ −19.58%▼ −20.10%$18.54 (−21.94%)
Jul 9, 2026
15w ago
144
NEUTRAL ★ 3/10
$28.92 $28.07▼ −2.94%▼ −2.17%$18.54 (−35.89%)
Apr 21, 2026
26w ago
DEFA14A
NEUTRAL ★ 2/10
$26.62 $25.13▼ −5.60%▼ −5.20%$18.54 (−30.35%)
Apr 20, 2026
27w ago
8-K
BEARISH ★ 8/10
$22.74 $24.52▼ −7.83%▼ −8.48%$18.54 (+18.47%)
Apr 8, 2026
28w ago
144
NEUTRAL ★ 3/10
$23.28 $22.34▼ −4.04%▼ −3.98%$18.54 (−20.36%)
Feb 25, 2026
34w ago
8-K
MIXED ★ 6/10
$19.54 $20.37▲ +4.25%▲ +4.73%$18.54 (−5.12%)
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